设计和制造一个倾斜的极化单脉冲天线阵列与一个 cosecant 平方束用于跟踪应用程序的设计和制造
Seyed Mohammad Javad Razavi1, Seyed Mohammad Hamidi2, Seyed Ali Hamidi2
1Faculty of Electric and Computer, Malek Ashtar University of Technology, Tehran, Iran. razavismj@yahoo.com.
Scientific reports
|December 19, 2025
概括
这项研究引入了一种新的斜偏极化单脉冲阵列天线,旨在精确追踪目标. 该天线实现了共二的辐射模式,提高了跟踪准确性和性能.
科学领域:
- 天线工程天线工程
- 电磁学 电磁学 电磁学 电磁学
- 微波技术 微波技术的使用
背景情况:
- 精确的目标跟踪在雷达和通信系统中至关重要.
- 传统的天线往往难以实现特定应用所需的辐射模式.
- 单脉冲技术通过比较相邻光束的信号来提高追踪精度.
研究的目的:
- 设计和制造一个斜极化单脉冲阵列天线.
- 为了改善目标跟踪,实现光-平方辐射模式.
- 通过模拟和测量来验证天线的性能.
主要方法:
- 使用了2x8微条纹阵列,修改了近距离合和金属墙壁.
- 整合了一个战略位置的地面平面,以增强收益和隔离.
- 使用考虑相互合的遗传算法优化振幅和相位激发.
- 集成了一个矩形180度混合合器,用于单脉冲操作.
主要成果:
- 实现了34%的阻抗带宽 (3.8-5.4 GHz).
- 测量了13.05dBi的峰值增益和13dB的侧叶水平.
- 证明了24dB的零深度和24°的高度平面光束宽度.
- 辐射模式与理想的正弦-正方形曲线非常相匹配.
结论:
- 制造的倾斜偏振单脉冲阵列天线成功地实现了所需的正方形辐射图案.
- 该设计有效地减少了相互合,并增强了增益和隔离.
- 该天线表现出优异的性能特性,适合用于准确的目标跟踪应用.
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